Monitor Audio Radius R90 Bookshelf Speakers

• New 4" C-CAM bass driver - Radius features all new bass drivers with concave cone profiles, introduced by our top-of-the-range Platinum speakers and applied subsequently to Gold GX. Extensive research and FEA modeling have allowed us to perfect the relationship between the new radiating diaphragm and its motor design, introducing larger motor sizes and voice coils for increased excursion, higher power capability and reduced distortion.
• New C-CAM Gold Dome tweeter - optimized to deliver the finest and widest performance within the compact Radius cabinets. It benefits from a more efficient rear-venting design, releasing air trapped and compressed at the back of the tweeter dome, and guiding it around the drive assembly to a rear-loading chamber.
• HiVe II port design - Straight from Platinum’s design blueprint, the HiVe reflex port makes its Radius debut. It’s shaped to have the same effect on airflow as a gun-barrel on a bullet. Rifled grooves inside the port help to accelerate the flow and reduce turbulence, so air moves in and out of the port more efficiently, for a faster more dynamic bass response.
• Single through-bolt driver fixing provides mechanical de-coupling and enhanced mid-band clarity and resolution. The through-bolts also act as rigid cross bracing to give a very solid non-resonant cabinet.
• Single point ¼”x20TPI wall fixing. Use the optional Monitor Audio speaker mount or any standard wall bracket
• Optional floor-stand with internal (pre-wired) cable management system.

Specifications

• Frequency Response: 80 Hz — 35 kHz
• Sensitivity ([email protected]): 83 dB
• Nominal Impedance: 8 ohms
• Power Handling (RMS): 75 Watt
• System Power Handling (RMS): 100 Watt
• Recommended Amplifier Requirements: 30 — 100 Watt
• Maximum SPL: 102 dBa
• Bass Alignment: Bass reflex - Rear ported
• Drive Unit Complement: 1 x 4" (100 mm) C-CAM cone bass/mid driver
  1 x 1" (25 mm) C-CAM Gold Dome tweeter
• Cabinet Dimensions (H x W x D): 198 x 125 x 140 mm
  7^13/16" x 4^15/16" x 5^1/2"
• Cabinet Dimensions (Including Grille & Terminals (H x W x D)): 198 x 125 x 164 mm
  7^13/16" x 4^15/16" x 6^7/16"
• Cabinet Dimensions (Including Grille & Bracket (H x W x D)): 198 x 125 x 203 mm
  7^13/16" x 4^15/16" x 8"
• Pre-Construction Bracket: Optional - Monitor Audio Speaker Mount (MASM)
• Weight: 2.1 kg (4 lb 10 oz)